Cooking Grate Dimensions: 17 5/8" x 27 7/8" Total; Material: SUS304 Solid Rod Stainless Steel Grates ,Heat Plate Dimensions: 4" x 15 1/16" , Heat Shield Material: Stainless Steel, Burner Dimensions: 15-7/8? x 1? , Burner Material: Stainless Steel